.canvas-wraper{
    position: relative; 
    width: 100%;
    height: 100%;
}
.canvas-wraper .canvas2d {
    width: 100%;
    height: 100%; 
    min-height: 512px;
}
.text-input { 
    position: absolute;
    min-width: 22px ;
    min-width: 20px;
    line-height: 22px;
    font-size: 14px;
    font-family: Songti ;
     /* STKaitiSC-Regular; */
    left: -1000px;
    /* transform-origin: left top; */

}
.textarea { 
    white-space: pre;
    display: inline-block;
    backface-visibility: hidden;
    resize: none;
    background: transparent;
    overflow: hidden;
    box-sizing: border-box;
    overflow-wrap: break-word;
    outline: none;
    color: brown;
    padding: 0;
    border: none;
}
.textSizemeasure{ 
    opacity: 0;
    z-index: -1000;
    position: absolute;
    top: 0;
    white-space: pre;
}

.center-pos { 
    position: absolute;
    left: 256px;
    top: 256px;
    z-index: -10;
}

.baselinemeasure { 
    position: fixed;
    left: 0;
    top: 0;
    width: 200px;
    z-index: -100;
    opacity: 0;;
}
.baselinemeasure svg { 
    vertical-align: baseline;
}

/* 属性面板 */
.panel-wraper{ 
    position: absolute;
    right: 0;
    top: 0;
    width: 200px;
    padding: 8px;
    border-radius: 5px; 
    box-shadow: 0 0  0px 1px #ccc ;
}
.attr-title{ 
    font-size: 13px; 
}
